Finding the Fourth Proportional to 2,308.80, 3,443.76 and 2,147.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.80 : 3,443.76 = 2,147.52 : x
2. Step 2: Convert to fraction form
   2,308.80/3,443.76 = 2,147.52/x
3. Step 3: Cross multiply
   2,308.80x = 3,443.76 × 2,147.52
4. Step 4: Simplify right side
   2,308.80x = 7,395,543.48
5. Step 5: Solve for x
   x = 7,395,543.48/2,308.80
6. Step 6: Final answer
   x = 3,203.20